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From Smart Contract Audits to Regulatory Readiness

Hacken is an end-to-end blockchain security and compliance partner for digital assets.

  • Min project size
    $10,000+
  • Hourly rate
    Undisclosed
  • Employees
    50 - 249
  • Locations
    Lisboa, Portugal
  • Year founded
    Founded 2017

1 Locations

  • Lisboa , Portugal

Service Lines
Compliance Consulting
10%
Select Focus Area
Corporate Training & Coaching Focus
Industries
Financial services
50%
eCommerce
15%
Information technology
10%
Medical
10%
Consumer products & services
5%
Supply Chain, Logistics, and Transport
5%
Telecommunications
5%
Clients
Small Business (<$10M)
60%
Midmarket ($10M - $1B)
30%
Enterprise (>$1B)
10%
Certified in:
Blockchain Cybersecurity Smart Contract Auditing

Pricing Snapshot

Min. project size $10,000+
Avg. hourly rate Undisclosed
Rating for cost 4.8 /5

What Clients Have Said

Hacken's pricing ranges from $10,000 to $50,000 for projects, reflecting good value for their comprehensive security services. Clients appreciate their expertise and responsiveness, often citing competitive pricing and alignment with budget needs.

This summary is based on verified Clutch reviews.

Most Common Project Size

$10,000 - $49,999 based on 25 reviews
< $10,000 $10,000 - $49,999 $50,000 - $199,999 > $200,000

Select a service to see pricing information

Hacken Review Insights

Overall Review Rating

4.9
  • Quality 4.9
  • Schedule 4.9
  • Cost 4.8
  • Willing to Refer 4.9

Top Mentions

Review Highlights

  • Proactive Risk Mitigation

    Clients appreciate Hacken's foresight in risk mitigation, focusing on long-term security solutions rather than immediate fixes. This proactive approach helps clients stay ahead of potential threats.

  • High Client Satisfaction

    Hacken's clients express high satisfaction with their services, noting the company's commitment to quality, professionalism, and responsiveness. Their ability to exceed expectations fosters strong, long-term client relationships.

  • Exceptional Cybersecurity Expertise

    Hacken demonstrates profound expertise in cybersecurity audits, offering tailored solutions to complex security challenges. Clients appreciate their deep technical knowledge and innovative approaches, particularly in blockchain and smart contract security.

  • Impressive Technical Documentation

    Clients commend Hacken for their clear and detailed technical documentation. Their reports are comprehensive, providing valuable insights and recommendations that enhance client systems' security and performance.

  • Effective Communication and Collaboration

    Hacken excels in communication, maintaining seamless interactions with clients through virtual meetings and messaging apps. Their approachability and proactive engagement contribute to successful collaborations.

  • Room for Improvement in Reporting Timeliness

    A few clients suggested that Hacken could improve by providing more timely updates on findings during audits. This would aid in internal communication and allow for quicker response to identified issues.

Hacken Reviews

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Penetration Testing for Blockchain Exchange Platform

  • Cybersecurity
  • Web3
  • Confidential
  • May - July 2025
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Their industry-leading security standards, proactive threat detection, and client-centric remediation were impressive."

Aug 6, 2025
Product Officer, Blockchain Exchange Platform
Anonymous
  • Other industries
  • Seychelles
  • 51-200 Employees
  • Online Review

Hacken provided cybersecurity services for a blockchain exchange platform. The team performed comprehensive security penetration testing on the client's systems and remediated all discovered issues.

Blockchain Security Audit for Blockchain Technology Company

  • Blockchain Cybersecurity
  • Ethereum Development Web3
  • Confidential
  • Jan. - Apr. 2025
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"It was a pleasure working with them."

May 21, 2025
CEO, Soda Labs
Avishay Yanai
  • Information technology
  • Tel Aviv, Israel
  • 1-10 Employees
  • Online Review

Hacken conducted a security audit for a blockchain technology company. The team reviewed the client's documentation and source code to identify potential security issues with a new blockchain.

Blockchain Dev for Blockchain Foundation

  • Blockchain
  • Smart Contract Auditing
  • $50,000 to $199,999
  • Jan. 2025 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Their team is extremely helpful, responsive, and excellent to work with."

May 14, 2025
Product Delivery, Mina Foundation
David Sedgwick
Verified
  • Other industries
  • Switzerland
  • 11-50 Employees
  • Online Review
  • Verified

Hacken provides blockchain development services for a blockchain foundation. Their work focuses on conducting a security audit of the client's TypeScript-based library.

Bridge Security Audit for Blockchain Development Company

  • Blockchain Cybersecurity
  • Decentralized Finance Smart Contract Development Smart Contract Auditing Web3
  • $10,000 to $49,999
  • Jan. - Feb. 2025
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
4.5

"The bridge audit report concluded with all security flaws, which helped ensure a successful project launch."

Feb 12, 2025
Senior Project Manager, Blockchain Development Company
Anonymous
Verified
  • Information technology
  • India
  • 1,001-5,000 Employees
  • Online Review
  • Verified

Hacken provided a bridge security audit for a blockchain development company.

Smart Contract Audit Services for Web3 AI Co

  • Application Testing Blockchain Cybersecurity
  • Smart Contract Auditing
  • Confidential
  • Nov. - Dec. 2024
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"We had a great experience working with Hacken."

Feb 10, 2025
Head Of Engineering, SMART VALOR
Dmitrijs Rozvadovskis
Verified
  • Financial services
  • Switzerland
  • 11-50 Employees
  • Online Review
  • Verified

Hacken worked on a smart contract audit for a Web3 AI company. The team was responsible for identifying vulnerabilities and providing feedback on how to strengthen the contract.

Auditing Services for Blockchain Data Company

  • Blockchain Computer Engineering Cybersecurity
  • Smart Contract Auditing
  • $50,000 to $199,999
  • Nov. 2024 - Ongoing
4.5
Quality
4.5
Schedule
4.5
Cost
5.0
Willing to Refer
5.0

"Their depth of understanding and quality of reviews are outstanding."

Nov 25, 2024
Head of Protocol Engineering, Covalent
Pranay Valson
  • Other industries
  • Vancouver, British Columbia
  • 11-50 Employees
  • Online Review

Hacken provides smart contract auditing services for a blockchain data company. The team audits the client's smart contract code for their new protocol and checks for conflicts with the specifications.

Blockchain & Smart Contract Auditing for Blockchain Company

  • Blockchain
  • Decentralized Finance Ethereum Development Smart Contract Auditing
  • $10,000 to $49,999
  • November 2024
5.0
Quality
4.5
Schedule
5.0
Cost
4.5
Willing to Refer
5.0

"Their communication process and issues tracking were very easy and straightforward."

Nov 22, 2024
Founder, Predexyo
Matteo Spinosa
  • Other industries
  • England
  • 1-10 Employees
  • Online Review

Hacken provided smart contract and blockchain auditing services for a blockchain company. The team was responsible for offering Solidity Code revision services.

Smart Contracts Services for Finance Market Solutions Firm

  • Blockchain Cybersecurity
  • $50,000 to $199,999
  • Aug. - Sep. 2024
4.5
Quality
4.5
Schedule
5.0
Cost
4.0
Willing to Refer
4.5

"Everything requested was done on time."

Oct 8, 2024
CISO, 21X AG
Thomas Zraunig
Verified
  • Financial services
  • Germany
  • 11-50 Employees
  • Online Review
  • Verified

A finance market solutions firm hired Hacken to audit and manage their smart contracts before going live. The team reviewed and tested three smart contracts with 3,700 lines of code for Polygon.

Smart Contracts Audit for Internet Services Company

  • Blockchain Cybersecurity Other IT Consulting and SI
  • Digital Forensics & Auditing Threat/Attack Simulations Vulnerability Management
  • $10,000 to $49,999
  • September 2024
5.0
Quality
5.0
Schedule
5.0
Cost
4.5
Willing to Refer
5.0

"Hacken was at the top of their game."

Oct 3, 2024
Strategic Advisor, Aerobloc
Anonymous
Verified
  • Information technology
  • Dubai, United Arab Emirates
  • 1-10 Employees
  • Online Review
  • Verified

Hacken audited the smart contracts of an internet services company. The team reviewed the client's smart contracts to find any vulnerabilities in the code of their staking and treasury contracts. 

Smart Contract Auditing for Blockchain Company

  • Cybersecurity
  • Decentralized Finance Smart Contract Auditing
  • $10,000 to $49,999
  • September 2024
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They were very responsive and everything was exactly on time."

Oct 1, 2024
CTO, Obligate AG
Daniel Killenberger
Verified
  • Other industries
  • Switzerland
  • 11-50 Employees
  • Online Review
  • Verified

Hacken provided cybersecurity services for a blockchain company. The team was responsible for auditing the client's smart contracts to find possible security vulnerabilities.

Showing 21-30 of 33 Reviews

Clutch verification provides an additional layer of data to help you make the right purchasing decision of business services.

Learn More
Verified Client Reviews
27
Overall Review Rating
4.9
Source
Clutch
Last Updated
June 17, 2026

Business Entity

Business Entity Name Hacken OÜ
Source Estonia e-Business Register
Jurisdiction of Formation Estonia
Date of Formation October 13, 2017
Status Active
Last Updated December 20, 2024
ID 14351915

Credit Report Results

International Credit Risk Assessment High Risk
Source Creditsafe
Last Updated December 20, 2024

*Clutch performed additional verification on this company and confirmed that there are no negative legal filings or large outstanding debts. This company has also received 3 or more verified reviews on our platform.

Learn More About The Clutch Verification Process

Locations (1)

Av. Duque de Loulé 12 LisboaPortugal 1050-085

16 - 20

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